248488740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3203}}^1$

素因数の和:3649

約数の個数: 72

約数和(自身を含む): 755733888

約数和(自身を除く): 507245148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 1293, 1724, 2155, 2586, 3203, 3879, 4310, 5172, 6406, 6465, 7758, 8620, 9609, 12812, 12930, 15516, 16015, 19218, 19395, 25860, 28827, 32030, 38436, 38790, 48045, 57654, 64060, 77580, 96090, 115308, 144135, 192180, 288270, 576540, 1380493, 2760986, 4141479, 5521972, 6902465, 8282958, 12424437, 13804930, 16565916, 20707395, 24848874, 27609860, 41414790, 49697748, 62122185, 82829580, 124244370, 248488740]

約数ペア:

[(1, 248488740), (2, 124244370), (3, 82829580), (4, 62122185), (5, 49697748), (6, 41414790), (9, 27609860), (10, 24848874), (12, 20707395), (15, 16565916), (18, 13804930), (20, 12424437), (30, 8282958), (36, 6902465), (45, 5521972), (60, 4141479), (90, 2760986), (180, 1380493), (431, 576540), (862, 288270), (1293, 192180), (1724, 144135), (2155, 115308), (2586, 96090), (3203, 77580), (3879, 64060), (4310, 57654), (5172, 48045), (6406, 38790), (6465, 38436), (7758, 32030), (8620, 28827), (9609, 25860), (12812, 19395), (12930, 19218), (15516, 16015)]